Home / 13,515.00-20,272.46-3,654.28

Finding the Fourth Proportional to 13,515.00, 20,272.46 and 3,654.28

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Solution

The fourth proportional to 13,515.00, 20,272.46 and 3,654.28 is: 5,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.00 : 20,272.46 = 3,654.28 : x
  2. Step 2: Convert to fraction form
    13,515.00/20,272.46 = 3,654.28/x
  3. Step 3: Cross multiply
    13,515.00x = 20,272.46 × 3,654.28
  4. Step 4: Simplify right side
    13,515.00x = 74,081,262.48
  5. Step 5: Solve for x
    x = 74,081,262.48/13,515.00
  6. Step 6: Final answer
    x = 5,481.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.